Field crews must be prepared for hazards in the lower East Rift Zone. Pictured,

Field crews must be prepared for hazards in the lower East Rift Zone. Pictured, are examples of protective equipment worn in the field, such as a climbing helmet (to protect against tephra fall), goggles and respirator (to protect against gases), a safety vest, gloves, long-sleeved shirt, long pants, gloves and sturdy boots. If conditions are not safe, crews quickly leave the area. Pictured in the background, is fissure 8.